Abstract:
The present disclosure relates to a display device whose image quality is improved.A display device according to an embodiment of the present disclosure includes a first display area configured to include a plurality of first pixels which are disposed at least one horizontal line; a second display area configured to include a plurality of second pixels which are disposed in a plurality of horizontal lines; and an infrared (IR) light source configured to overlap the first display area in a plan view. The plurality of first pixels are set to be in a non-emission state during a period when the IR light source is driven.
Abstract:
An organic light emitting display device includes pixels connected to scan lines, data lines, and emission control lines to emit light components in response to amounts of current that flow from a first driving power source to a second driving power source, a sensing unit connected between the first or second driving power source and the pixels to measure to at least one of current and voltage, a controller to sense a control signal in response to at least one of the current and the voltage measured by the sensing unit, a timing controller to supply a plurality of emission start signals with different widths in a one frame period in response to the control signal when the organic light emitting display device is driven at a low frequency, and an emission driver to supply emission control signals to the emission control lines in response to the emission start signals.
Abstract:
An organic light emitting display device may include a display panel, a power supply, and a display driver, The display panel may comprise a plurality of scan lines, a plurality of data lines, and a plurality of pixels connected to the scan lines and to the data lines. The power supply may supply a first pixel voltage and a second pixel voltage to the pixels. The display driver may control the display panel. The display panel may display a first image in a first frame frequency during a first driving mode, and display a second image in a second frame frequency that is lower than the first frame frequency during a second driving mode, according to a control by the display driver.
Abstract:
An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.
Abstract:
An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a display panel, a data driver, an emission control driver, a timing controller, a gate driver, an initialization driver, and a timing controller. The emission control driver is configured to sequentially apply an emission control signal to emission control lines, the emission control signal configured to determine a light emission period and a non-light emission period. The timing controller is configured to output a first start signal and a second start signal. The gate driver is configured to receive the first start signal from the timing controller, sequentially apply a gate initialization signal to gate initialization lines based on the first start signal, and sequentially apply a scan signal to the scan lines. The initialization driver is configured to receive the second start signal and sequentially apply an OLED initialization signal to the OLED initialization lines.
Abstract:
A method of driving a display device includes: applying a first voltage at the first transistor to turn on the first transistor; maintaining the first voltage at the first transistor; applying a second voltage lower than the first voltage at the first transistor; wherein the applying of the first voltage comprises switching the fourth transistor according to the second scan signal to couple the gate electrode of the first transistor to the third power source, and switching the fifth transistor according to the light emission control signal to couple the first electrode of the first transistor to the first power source, and the applying of the second voltage comprises switching the second transistor according to the first scan signal to couple the first electrode of the first transistor to the data line, and switching the third transistor according to the first scan signal to diode-couple the first transistor.
Abstract:
Provided are an organic light emitting display apparatus and a method of manufacturing the same. The apparatus includes a substrate including a display area and a peripheral area outside the display area, a plurality of thin film transistors (TFTs) disposed in the peripheral area of the substrate, a first insulating layer covering the plurality of TFTs, a plurality of conductive layers disposed on the first insulating layer to be located above the plurality of TFTs and to be mutually separated to correspond to spaces among the plurality of TFTs, a second insulating layer covering spaces among the plurality of conductive layers, and an opposite electrode corresponding to the display area and the peripheral area of the substrate, covering the second insulating layer, and being in contact with at least portions of the conductive layers.
Abstract:
A display device includes a first region and a second region each including a plurality of pixels, and a plurality of wires connected to the plurality of pixels, respectively, to transmit a signal, where the number of pixels per unit area in the second region is less than the number of pixels per unit area in the first region, and the number of wires per unit area in the second region is less than the number of wires per unit area in the first region.
Abstract:
A display panel includes a substrate, a transistor on the substrate, a storage capacitor on the substrate and electrically connected to the transistor, a metal layer between the substrate and the transistor, a first insulating layer on the metal layer and having a first contact hole, and a wiring connected to the metal layer through the first contact hole, wherein the first insulating layer having a first hole apart from the transistor.
Abstract:
A pixel circuit includes first to fifth transistors, a capacitor, and a light emitting element. The first transistor is coupled between first and second power lines, and includes a gate electrode coupled to a first node and a back-gate electrode coupled to a second node. The second transistor is coupled between a data line and the first node, and includes a gate electrode coupled to a first scan line. The third transistor is coupled between a third power line and the first node, and includes a gate electrode coupled to a reference scan line. The fourth transistor is coupled between a second node and a fourth power line, and includes a gate electrode coupled to a second scan line. The fifth transistor is coupled between a first power line and the one electrode of the first transistor, and includes a gate electrode coupled to a light-emitting control line.